Electric discharge machine



FIG. 1 is a front, top, and right side perspective view of an electric discharge machine showing our new design;

FIG. 2 is a rear, top, and left side perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a left side view thereof; and,

FIG. 8 is a right side view thereof.

The parts shown in the broken lines do not form part of the claimed designs. 

CLAIM The ornamental design for an electric discharge machine, as shown and described. 